3 years ago

2x + 5y = 10 2x + 3y = 6

1 answer:

4 0

2x + 5y = 10....multiply by -1
2x + 3y = 6
---------------
-2x - 5y = -10 (result of multiplying by -1)
2x + 3y = 6
---------------add
-2y = - 4
y = -4/-2
y = 2

2x + 5y = 10
2x + 5(2) = 10
2x + 10 = 10
2x = 10 - 10
2x = 0
x = 0

solution : (0,2)

You might be interested in

How would -3X + 4y = 8 be written

Vilka [71]

Answer:

Step-by-step explanation:

$-3x + 4y = 8 \\Slope \: intercept\:form=\\y = mx+b\\4y=3x+8\\Divide\:through\:by\:4\\\frac{4y}{4} =\frac{3x}{4} +\frac{8}{4} \\y = 3/4x+2$

7 0

3 years ago

Please solve the question below

ivolga24 [154]

Answer:

AB = 14 units

∠F = 39°

Step-by-step explanation:

Given:

ΔABC ≅ ΔDEF

So,

AB = ED (By CPCT)

So,

AB = 14 units

∠C = ∠F (By CPCT)

∠F = 39°

7 0

3 years ago

The colors in a ballon bouquet are 3/10 green, 2/10 yellow, and 5/10 red. What fraction of the ballon bouquet is red or yellow?

Dafna1 [17]

You have to add the top numbers but keep the bottom number the same.

2/10 + 5/10 = 7/10

5 0

4 years ago

Read 2 more answers

С<br> What is the solution to the equation 3x ÷ (-6) = -12?

Nat2105 [25]

Answer:

x=24

Step-by-step explanation:

First: Multiply -6 to both sides

Next: You get 3x=72

Then: Divide 72 by 3

Last:....

ANSWER: x=24

7 0

3 years ago

Read 2 more answers

Write the fraction in order from least to greatest 9/10,1/2,4/5

Contact [7]

Answer:

1/2, 4/5, 9/10

Step-by-step explanation:

7 0

4 years ago